diff options
Diffstat (limited to 'alembic/script')
| -rw-r--r-- | alembic/script/revision.py | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/alembic/script/revision.py b/alembic/script/revision.py index 7fbd670..ef03d2e 100644 --- a/alembic/script/revision.py +++ b/alembic/script/revision.py @@ -1206,11 +1206,11 @@ class RevisionMap(object): ) ) - # Ensure we didn't throw everything away. - if len(roots) == 0: - raise RevisionError( - "Not a valid downgrade target from current heads" - ) + # Ensure we didn't throw everything away when filtering branches. + if len(roots) == 0: + raise RevisionError( + "Not a valid downgrade target from current heads" + ) heads = self.get_revisions(upper) |